Question detail
What does a horizontal line on a distance-time graph indicate?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Forces and motion
Question
- A. The object is moving at constant speed.
- B. The object is stationary.
- C. The object is accelerating.
- D. The object is moving in the opposite direction.
Answer
The object is stationary.
Explanation
A horizontal line on a distance-time graph indicates that the distance is not changing over time, meaning the object is stationary.
Common mistake
Misunderstanding Speed Definition
Students often confuse speed with velocity, thinking they are the same because both involve distance and time.
Emphasize that speed is a scalar quantity that only considers distance travelled over time, while velocity is a vector quantity that includes direction.
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